【摘要】 介绍了零电压过渡有源功率因数校正电路（ＰＦＣ）的工作原理，并对电路参数的选择方法进行了讨论，在此基础上，研制了一台１．５ｋＷ实验装置。与硬开关ＰＦＣ电源相比，该电源具有损耗低、效率高、开关噪声小等优点。更多还原

【Abstract】 The operation principle of Zero-Voltage-Transition active power factor correction circuit is introduced, and design method of its circuit parameters is also discussed. On the basis, a 1.5kW prototype is manufactured. The circuit has low loss, high efficiency and low switching noise compared with hard switch power factor correction circuit.更多还原